#root{min-height:100vh}.layout{min-height:100vh;display:flex;flex-direction:column}.skip-link{position:absolute;top:-100px;left:0;background:var(--accent-primary);color:#fff;padding:.75rem 1.5rem;text-decoration:none;z-index:var(--z-skip-link);font-weight:600;border-radius:0 0 .5rem;transition:top .3s ease;opacity:0;pointer-events:none}.skip-link:focus{top:0;opacity:1;pointer-events:auto;outline:2px solid var(--accent-hover);outline-offset:2px}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:var(--z-header);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:100%;max-width:1400px;margin:0 auto}.header .container{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;max-width:1000px;margin:0 auto;gap:1rem}.header-actions{display:flex;align-items:center;gap:1rem}.logo{text-decoration:none;display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}.logo-image{height:32px;width:auto;display:block}@media(prefers-reduced-motion:no-preference){.logo-image{transition:opacity .3s ease}.logo:hover .logo-image{opacity:.8}}.certifications{font-size:.7rem;font-weight:500;color:var(--text-muted);margin-top:.25rem;letter-spacing:1px}.theme-toggle{background:none;border:1px solid var(--border-color);border-radius:.5rem;padding:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}@media(prefers-reduced-motion:no-preference){.theme-toggle{transition:all .3s ease}}.theme-toggle:hover{background:var(--bg-tertiary);color:var(--accent-primary);border-color:var(--accent-primary)}.theme-toggle:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.theme-icon{width:20px;height:20px}.nav{display:flex;gap:2rem;align-items:center}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:.5rem;transition:all .3s ease;position:relative}.nav-link:hover,.nav-link.active{color:var(--accent-secondary);background:var(--bg-tertiary)}.nav-link:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.nav-link.active:after{content:"";position:absolute;bottom:-.5rem;left:50%;transform:translate(-50%);width:4px;height:4px;background:var(--accent-secondary);border-radius:50%}.menu-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:.5rem}.menu-toggle span{width:25px;height:3px;background:var(--text-primary);border-radius:2px;transition:all .3s ease}.main{flex:1;background:var(--bg-primary);width:100%;max-width:1400px;margin:0 auto}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:3rem 0 1.5rem;width:100%;max-width:1400px;margin:0 auto}.footer .container{max-width:1000px;margin:0 auto;padding:0 2rem}.footer-content{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem;margin-bottom:2rem}.footer-section h3{color:var(--text-primary);font-size:1rem;margin-bottom:1rem;font-weight:600}.footer-section nav{display:flex;flex-direction:column;gap:.5rem}.footer-links{display:flex;flex-direction:column;gap:.5rem}.footer-link{color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color .3s ease}.footer-link:hover{color:var(--accent-primary)}.footer-link:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px;border-radius:.25rem}.footer-text{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.footer-bottom{border-top:1px solid var(--border-color);padding-top:1.5rem;text-align:center}.footer-bottom p{color:var(--text-muted);font-size:.85rem}@media(max-width:768px){.header .container{padding:1rem 2rem;margin:0 auto}.logo-image{height:24px}.certifications{font-size:.6rem;margin-top:.15rem}.nav{position:fixed;top:100%;left:0;right:0;background:var(--bg-secondary);border-top:1px solid var(--border-color);flex-direction:column;gap:0;padding:1rem 0;transform:translateY(-100%);visibility:hidden;z-index:var(--z-mobile-nav)}@media(prefers-reduced-motion:no-preference){.nav{transition:transform .3s ease,visibility .3s}}.nav-open{transform:translateY(0);visibility:visible}.nav-link{width:100%;text-align:center;padding:1rem;border-radius:0}.nav-link:focus-visible{outline:2px solid var(--accent-primary);outline-offset:-2px}.nav-link:hover,.nav-link.active{background:var(--bg-tertiary)}.nav-link.active:after{display:none}.menu-toggle{display:flex}.menu-toggle:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px;border-radius:.25rem}.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.footer-content{grid-template-columns:1fr;gap:2rem}}.error-boundary{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:2rem}.error-boundary-content{text-align:center;max-width:600px}.error-boundary-content h1{color:var(--text-primary);margin-bottom:1rem}.error-boundary-content p{color:var(--text-secondary);margin-bottom:2rem;font-size:1.1rem}.error-details{margin:2rem 0;text-align:left;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:.5rem;padding:1rem}.error-details summary{cursor:pointer;color:var(--accent-secondary);font-weight:500;margin-bottom:1rem}.error-details summary:hover{color:var(--accent-hover)}.error-message{color:var(--text-secondary);font-size:.9rem;white-space:pre-wrap;word-break:break-all;background:var(--bg-tertiary);padding:1rem;border-radius:.25rem;overflow-x:auto}.error-actions{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.error-actions .btn{min-width:120px}.page-loader{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:1rem}.page-loader-spinner{width:50px;height:50px;border:4px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%}@media(prefers-reduced-motion:no-preference){@keyframes spin{to{transform:rotate(360deg)}}.page-loader-spinner{animation:spin 1s linear infinite}}.page-loader p{color:var(--text-secondary);font-size:1.1rem}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #1a1d23;--bg-secondary: #252831;--bg-tertiary: #2d3139;--text-primary: #e8eaed;--text-secondary: #9aa0a6;--text-muted: #7a8289;--accent-primary: #60a5fa;--accent-secondary: #3b82f6;--accent-hover: #2563eb;--accent-dark: #1d4ed8;--border-color: #3a3f47;--shadow: rgba(0, 0, 0, .3);--gradient-primary: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);--gradient-secondary: linear-gradient(135deg, #252831 0%, #2d3139 100%);--z-base: 1;--z-content: 2;--z-dropdown: 10;--z-sticky: 100;--z-header: 100;--z-mobile-nav: 99;--z-skip-link: 101;--z-overlay: 1000;--z-modal: 1000;--z-lightbox: 10000;--z-lightbox-close: 10001;--z-tooltip: 1100}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #1a1d23;--text-secondary: #495057;--text-muted: #6c757d;--accent-primary: #2563eb;--accent-secondary: #1d4ed8;--accent-hover: #1e40af;--accent-dark: #1e3a8a;--border-color: #dee2e6;--shadow: rgba(0, 0, 0, .1);--gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);--gradient-secondary: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;margin:0;padding:0;min-width:320px;min-height:100vh}#root{width:100%;max-width:1400px;margin:0 auto}.container{max-width:1000px;margin:0 auto;padding:0 2rem}h1,h2,h3,h4,h5,h6{color:var(--text-primary);margin-bottom:1rem;font-weight:600}h1{font-size:3rem;line-height:1.2}h2{font-size:2.5rem;line-height:1.3}h3{font-size:2rem;line-height:1.4}h4{font-size:1.5rem;line-height:1.4}p{color:var(--text-secondary);margin-bottom:1rem}a{color:var(--accent-secondary);text-decoration:none}@media(prefers-reduced-motion:no-preference){a{transition:color .3s ease}}a:hover{color:var(--accent-hover)}.btn{display:inline-block;padding:.75rem 1.5rem;background:var(--accent-hover);color:#fff;border:none;border-radius:.5rem;font-size:1rem;font-weight:500;cursor:pointer;text-decoration:none}@media(prefers-reduced-motion:no-preference){.btn{transition:all .3s ease}.btn:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}}.btn-outline{background:transparent;border:2px solid var(--accent-primary);color:var(--accent-secondary)}.btn-outline:hover{background:var(--accent-primary);color:#fff}.card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:.75rem;padding:2rem;box-shadow:0 4px 6px var(--shadow)}@media(prefers-reduced-motion:no-preference){.card{transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-4px);box-shadow:0 8px 25px var(--shadow)}}.section{padding:6rem 0}.section-title{text-align:center;margin-bottom:3rem}@media(prefers-reduced-motion:no-preference){@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .6s ease-out}}@media(max-width:768px){.container{padding:0 1rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}.section{padding:2rem 0}}